Selective Sound Neutralization

For urban dwellers like me, noise pollution sometimes becomes a big issue, especially on nights you are trying to get some sleep and your neighbors are having very loud conversations under your window for hours, or there is an international airport nearby, or the foghorn blows all through the night to provide navigation to sea-farers in the thick fog.

Sono is a sound neutralizing device that attaches to your windows, making your home the quiet sanctuary at the time you need it most. You can also utilize the setting to selectively neutralize certain frequencies so that you can hear the birds singing while blocking out other sounds. Although still a prototype, I see a very promising high-selling product...